document.write( "Question 855641: if you have a room that is 4m x 5m and you need to replace the ceiling tiles, assuming that it is a perfect fit, and the tiles are 50cm x 50cm how many tiles do you need? \n" ); document.write( "
Algebra.Com's Answer #515485 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! if you have a room that is 4m x 5m and you need to replace the ceiling tiles, assuming that it is a perfect fit, and the tiles are 50cm x 50cm how many tiles do you need? \n" ); document.write( "------ \n" ); document.write( "4m = 400 cm \n" ); document.write( "5m = 500 cm \n" ); document.write( "---- \n" ); document.write( "Area of ceiling 400*500 = 200000 cm^2 \n" ); document.write( "------------- \n" ); document.write( "Area of a tile = 50^2 = 2500 cm^2 \n" ); document.write( "---- \n" ); document.write( "# of tile needed = 200000/2500 = 80 \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================== \n" ); document.write( " |